Ontologia

Commune · CHN

Chencang

China

BSkArid, steppe, cold(53 %)

Species observed

50

Observations

76

Area

1 117,8km²

Ecological tissue

Sample of 15 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Chencang : 13 espèces reliées par 13 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
13
Connectance
0.108
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

50 distinct species · 76 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

76 obs · 9 cellules
Obs. / cellule
≥ 21
21–20
16–20
8–15
< 8

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,6°C

Annual rain

520mm

Warmest m°

30,7°C

Coldest m°

-5,5°C

Elevation: 720 m on average (min 411 m, max 1 252 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
520mm
Warmest month
30,7°C
Coldest month
-5,5°C
Mean alt.
720m
Min
411m
Max
1 252m
Std. dev.
156m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(53 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

8,1

Org. C

13,3g/kg

Clay

21,2%

Sand

33,4%

Silt

45,3%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiMaggregated to Weinan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
23,8g/kg
Clay
20,8%
Sand
33,8%
Silt
45,4%
5–15 cm
pH H₂O
8,1
Org. C
8,4g/kg
Clay
21,5%
Sand
33,4%
Silt
45,2%
15–30 cm
pH H₂O
8,2
Org. C
7,7g/kg
Clay
21,4%
Sand
33,1%
Silt
45,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest9.4%
Crops45.8%
Built-up1.6%
Bare soil5.7%
Other (grassland, water…)37.5%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology6 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

64,2km

Lake surface here

0,18km²

Basins crossed

6

Max stream order

5

Max drainage

27 259km²

Discharge in basins

59,9m³/s

Mean precip.

553mm/an

Mean T°

12,5°C

Moisture idx

-0,50

Max snow

1%

Mean runoff

118mm/an

Mean elev. (basins)

739m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

2hab/km²

Night light

0,5nW

Built-up

164,8%

Pesticides

70,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)